function allGoodsTab(){
  $(".header-nav .nav-list").on("mouseenter",".nav-category",function(){
      $(this).addClass("nav-category-active");
      $(this).find(".site-category").css("display","block");
  });
  $(".header-nav .nav-list").on("mouseleave",".nav-category",function(){
      $(this).removeClass("nav-category-active");
      $(this).find(".site-category").css("display","none");
  })
}
allGoodsTab();